Spectrogram from byte array in javascript
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I have a python - django web application in which I have to represent features of an audio file as a spectrogram. I have the audio file preprocessed with fft computed and normalized and saved in my DB. Now I have that data in the form of a byte array where each item in the array represents the frequencies in a single time interval (e.g. 1st item in the array represents the values from 1,1 - 1,n of the spectrogram)
Is there a javascript library I could use to visualize this as a spectrogram? A tutorial would be helpful. I found several tutorials where .wav file is converted to spectrogram, but not from a byte array (I only have the byte array, and do not have access to the original audio file).
javascript d3.js audio spectrogram
asked Nov 22 at 8:15
Visahan
4061416
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up vote
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I have a python - django web application in which I have to represent features of an audio file as a spectrogram. I have the audio file preprocessed with fft computed and normalized and saved in my DB. Now I have that data in the form of a byte array where each item in the array represents the frequencies in a single time interval (e.g. 1st item in the array represents the values from 1,1 - 1,n of the spectrogram)
Is there a javascript library I could use to visualize this as a spectrogram? A tutorial would be helpful. I found several tutorials where .wav file is converted to spectrogram, but not from a byte array (I only have the byte array, and do not have access to the original audio file).
javascript d3.js audio spectrogram
asked Nov 22 at 8:15
Visahan
4061416
add a comment |
up vote
-1
down vote
favorite
up vote
-1
down vote
favorite
I have a python - django web application in which I have to represent features of an audio file as a spectrogram. I have the audio file preprocessed with fft computed and normalized and saved in my DB. Now I have that data in the form of a byte array where each item in the array represents the frequencies in a single time interval (e.g. 1st item in the array represents the values from 1,1 - 1,n of the spectrogram)
Is there a javascript library I could use to visualize this as a spectrogram? A tutorial would be helpful. I found several tutorials where .wav file is converted to spectrogram, but not from a byte array (I only have the byte array, and do not have access to the original audio file).
javascript d3.js audio spectrogram
asked Nov 22 at 8:15
Visahan
4061416
I have a python - django web application in which I have to represent features of an audio file as a spectrogram. I have the audio file preprocessed with fft computed and normalized and saved in my DB. Now I have that data in the form of a byte array where each item in the array represents the frequencies in a single time interval (e.g. 1st item in the array represents the values from 1,1 - 1,n of the spectrogram)
Is there a javascript library I could use to visualize this as a spectrogram? A tutorial would be helpful. I found several tutorials where .wav file is converted to spectrogram, but not from a byte array (I only have the byte array, and do not have access to the original audio file).
javascript d3.js audio spectrogram
javascript d3.js audio spectrogram
asked Nov 22 at 8:15
Visahan
4061416
asked Nov 22 at 8:15
Visahan
4061416
edited Nov 22 at 8:40
asked Nov 22 at 8:15
Visahan
4061416
asked Nov 22 at 8:15
Visahan
4061416
asked Nov 22 at 8:15
Visahan
4061416
4061416
add a comment |
add a comment |
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